Protesters burn a mock American flag during a rally at the U.S. Embassy in Manila to protest the recent incident in the Philippines wherein a U.S. Navy minesweeper, USS Guardian, ran aground off Tubbataha Reef, a World Heritage Site in the Sulu Sea, 640 kilometers (400 miles) southwest of Manila, Philippines Saturday Jan. 19, 2013. The protesters are demanding the abrogation of the Visiting Forces Agreement which allows U.S. troops' presence in the country. (AP Photo/Bullit Marquez)

Protesters burn a mock American flag during a rally at the U.S. Embassy in Manila to protest the recent incident in the Philippines wherein a U.S. Navy minesweeper, USS Guardian, ran aground off Tubbataha Reef, a World Heritage Site in the Sulu Sea, 640 kilometers (400 miles) southwest of Manila, Philippines Saturday Jan. 19, 2013. The protesters are demanding the abrogation of the Visiting Forces Agreement which allows U.S. troops' presence in the country. (AP Photo/Bullit Marquez)